| abstract |
THE INVENTION CONCERNS TETRAHYDROFURAN DERIVATIVES. THESE DERIVATIVES MEET THE FORMULA: (CF DRAWING IN BOPI) OR EACH OF THE R AND R RADICALS REPRESENTS INDEPENDENTLY A HYDROGEN ATOM OR AN ALCOHYL, CYCLOALCOYL OR ARYL GROUP, POSSIBLY SUBSTITUTE, OR ALSO REPRESENTS IN AN INDEPENDENT MANNER, AND 'R AN ALCOHYLENE GROUP POSSIBLY SUBSTITUTES; EACH OF THE X AND Y RADICALS REPRESENTS INDEPENDENTLY ONE OF THE GROUPS CRR, C 0, CN-Z, CH-NH: (CF DRAWING IN BOPI) OR N IS VALUE 2 OR 3. APPLICATION TO THE CONTROL AGAINST UNWANTED PLANT GROWTH . |